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首页> 外文期刊>Journal of Telecommunications and Information Technology >Influence of temperature and aging on polarization mode dispersion of tight-buffered optical fibers and cables
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Influence of temperature and aging on polarization mode dispersion of tight-buffered optical fibers and cables

机译：温度和老化对紧密缓冲光纤和电缆偏振模色散的影响

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摘要

This paper presents results of laboratory tests investigating influence of temperature on polarization mode dispersion (PMD) in variety of single mode optical fibers and cables. Research was focused primarily on tight-buffered fibers, where most pronounced effects resulting from buffer shrinkage or expansion were expected. The goal was to verify performance of optical fiber cable exposed to extreme temperatures and to compare behavior of different cables. Very strong temperature dependence of PMD was detected in standard single mode fibers with 0.9 mm tight buffer, commonly used in indoor cables, and in complete cable with such fiber. However, both nonzero dispersion-shifted fibers, spun during drawing and optical unit used in optical ground wire (OPGW), where 12 fibers are stranded showed good stability of PMD during thermal cycling. The same optical unit extracted from OPGW exhibited excellent PMD stability also during accelerated life test.
机译：本文介绍了实验室研究的结果，这些研究旨在研究温度对各种单模光纤和电缆中偏振模色散（PMD）的影响。研究主要集中在紧密缓冲的纤维上，其中最明显的影响是由于缓冲剂收缩或膨胀引起的。目的是验证暴露在极端温度下的光纤电缆的性能，并比较不同电缆的性能。在具有0.9 mm紧缓冲层的标准单模光纤中，通常在室内电缆中以及在具有此类光纤的完整电缆中，检测到PMD的温度依赖性非常强。但是，在拉拔过程中纺出的非零色散位移光纤和在12条光纤绞合在一起的光学接地线（OPGW）中使用的光学单元都显示出在热循环过程中PMD的良好稳定性。从OPGW提取的同一光学单元在加速寿命测试中也表现出出色的PMD稳定性。

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